Landers Elementary (Data source)
Source data for Landers Elementary
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 2001885 | 2449 | - | 2436 | = | 13 | * | (22 | / | 79) | = | 3.62025316 | ||
| 4 | 2001886 | 2476 | - | 2485 | = | -9 | * | (19 | / | 79) | = | -2.16455696 | ||
| 5 | 2001889 | 2482 | - | 2528 | = | -46 | * | (20 | / | 79) | = | -11.64556958 | ||
| 6 | 2001890 | 2500 | - | 2552 | = | -52 | * | (18 | / | 79) | = | -11.84810125 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Landers Elementary | -22 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 61559 | 2404 | - | 2436 | = | -32 | * | (25 | / | 83) | = | -9.63855421 | ||
| 4 | 61561 | 2469 | - | 2485 | = | -16 | * | (23 | / | 83) | = | -4.43373493 | ||
| 5 | 61562 | 2481 | - | 2528 | = | -47 | * | (17 | / | 83) | = | -9.62650602 | ||
| 6 | 61564 | 2505 | - | 2552 | = | -47 | * | (18 | / | 83) | = | -10.19277104 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Landers Elementary | -34 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 63339 | 2357 | - | 2436 | = | -79 | * | (16 | / | 87) | = | -14.52873556 | ||
| 4 | 63340 | 2410 | - | 2485 | = | -75 | * | (24 | / | 87) | = | -20.6896551 | ||
| 5 | 63342 | 2445 | - | 2528 | = | -83 | * | (27 | / | 87) | = | -25.75862064 | ||
| 6 | 63345 | 2466 | - | 2552 | = | -86 | * | (20 | / | 87) | = | -19.7701149 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Landers Elementary | -81 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 63440 | 2351 | - | 2436 | = | -85 | * | (29 | / | 90) | = | -27.38888887 | ||
| 4 | 63441 | 2407 | - | 2485 | = | -78 | * | (14 | / | 90) | = | -12.13333329 | ||
| 5 | 63444 | 2443 | - | 2528 | = | -85 | * | (22 | / | 90) | = | -20.77777774 | ||
| 6 | 63445 | 2501 | - | 2552 | = | -51 | * | (25 | / | 90) | = | -14.16666663 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Landers Elementary | -74 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 63696 | 2374 | - | 2436 | = | -62 | * | (14 | / | 76) | = | -11.42105261 | ||
| 4 | 63697 | 2447 | - | 2485 | = | -38 | * | (27 | / | 76) | = | -13.49999997 | ||
| 5 | 63698 | 2451 | - | 2528 | = | -77 | * | (14 | / | 76) | = | -14.1842105 | ||
| 6 | 63699 | 2495 | - | 2552 | = | -57 | * | (21 | / | 76) | = | -15.74999997 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Landers Elementary | -55 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -22 | -34 | -81 | -74 | -55 | -266.0 | -53.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 21.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -128.2
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 92% | 87% | 88% | 92% | 95% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Morongo Unified school district | County of San Bernardino
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Landers Elementary math proficiency
Zero+ meets standard.
87% less $meal
85% less $meal
86% less $meal
88% less $meal
85% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.